Also found in: Acronyms.
time-·gain com·pen·sa·tion (TGC),
in ultrasonography, an increase in receiver gain with time to compensate for loss in echo amplitude with depth, usually due to attenuation.
Synonym(s): attenuation compensation, depth compensation, time compensation gain, time-compensated gain, time-varied gain control, time-varied gain
Farlex Partner Medical Dictionary © Farlex 2012